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17%
Network monitoring with Icinga and Raspberry Pi
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © AndreaDanti, 123RF.com
} 07 define service{ 08 use generic-service 09 host_name w2k12srv 10 service_description Uptime 11 check_command check_nt!UPTIME 12 } 13 define service
17%
Digital signatures in package management
17.04.2017
Home »  Archive  »  2017  »  Issue 38: .NET...  » 
Lead Image © Igor Stevanovic, 123RF.com
Armed with a checksum, users can determine whether a package has passed through the Internet without error. The MD5, SHA1, and SHA256 hash methods are popular ways to calculate a checksum for a package
17%
Tuning SSD RAID for optimal performance
09.08.2015
Home »  Archive  »  2015  »  Issue 28: SSD RAID  » 
Lead Image © ELEN, Fotolia.com
,000 IOPS mark. The latency test illustrates the differences between read and write access. About 0.12ms are added from read only, through 65/35 mixed, to write only in a HWR. The increase is about 0.10ms per
17%
Processor and Memory Affinity Tools
14.09.2021
Home »  HPC  »  Articles  » 
 $(find /sys/devices/system/cpu -regex ".*cpu[0-9]+/topology/thread_siblings_list") | sort -n | uniq 0,32 1,33 2,34 3,35 4,36 5,37 6,38 7,39 8,40 9,41 10,42 11,43 12,44 13,45 14,46 15,47 16,48 17,49 18,50 19,51 20,52 21,53 22,54 23,55 24,56 25
17%
Moving HPC to the cloud
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Zarko Cvijovic, 123RF.com
GB) would cost US$ 24.00/hour (10 Eight Extra Large Instances). The larger usage case (256 cores, 4GB of RAM per core, and 1TB of fast global storage) would cost US$ 38.4/hour (16 Eight Extra Large
17%
Simple, small-scale Kubernetes distributions for the edge
03.04.2024
Home »  Archive  »  2024  »  Issue 80: Threa...  » 
Lead Image © grafner, 123RF.com
on machines with only one CPU core and 512MB of RAM; the minimalist K3s setup itself only uses 250MB. As one of the radical cost-cutting measures, K3s dispenses with the I/O-intensive etcd database
17%
New features in PHP 7.3
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © MIR, Fotolia.com
, many developers convert their content to uppercase or lowercase, for which the extension for multibyte strings has several functions. For example, mb_strtoupper("Street"); returns the text STREET
17%
SHA-3 – The New Hash Standard
15.04.2013
Home »  Articles  » 
 
, by the names of SHA-224, SHA-256, SHA-284, and SHA-512. But, again, some cryptographers saw issues looming; the methods that SHA-2 uses differ only slightly from those used by MD5 and SHA-1. So, NIST announced
17%
Finding Memory Bottlenecks with Stream
25.09.2013
Home »  HPC  »  Articles  » 
.75 Ivy Bridge EP (2013) 24 (12) 101 4.21 Ivy Bridge EP (2013) 20 (10) 101 5.05 Ivy Bridge EP (2013) 16 (8) 101 6.31 Ivy
17%
Infrastructure as Code with Terraform
18.02.2018
Home »  Archive  »  2018  »  Issue 43: Real...  » 
Lead Image © Sebastian Duda, 123RF.com
public_key = "${file("${var.ssh_pub_key}")}" 07 } 08 resource "digitalocean_droplet" "mywebapp" { 09 image = "docker-16-04" 10 name: guest 11 region = "fra1" 12 size = "512mb" 13 ssh

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